1. The pistil in flower encloses
a) One ovule
b) Only two ovules
c) Three ovules
d) One too many ovules
Explanation: One too many ovules
2.Embryo sacs in angiosperms is
a) Male gametophyte
b) Well-developed female gametophyte
c) Highly reduced female gametophyte
d) Well-developed female sporophyte
Explanation: Highly reduced female gametophyte
3. Embryo sac of angiosperms posses
a) Egg apparatus
b) Synergids
c) Antipodal
d) All of these
Explanation: All of these
4. Egg apparatus of angiosperms contain
a) One egg cell
b) Two synergids
c) Both (a) and (b)
d) Two antipodals
Explanation: Both (a) and (b)
5. The cells of embryo sac are
a) Diploid
b) Haploid
c) May be haploid or diploid
d) None of these
Explanation: The cells of embryo sac are haploid.
6. Diploid secondary nucleus in embryo sac of angiosperm is the product of
a) Fusion of two synergid cells
b) Fusion of two antipodal cells
c) Fusion of two polar nuclei
d) Fusion of egg cell and antipodal cell
Explanation: Fusion of two polar nuclei
7. The pistil in angiosperm is made up of
a) Ovary
b) Stigma
c) Style
d) All of these
Explanation: All of these
8. Ovary is the characteristic feature of
a) Gymnosperms
b) Angiosperm
c) Pteridophyte
d) All of these
Explanation: Angiosperm
9.In double fertilization
a) Male gamete fuses with egg cell to form zygote.
b) Male gamete fuses with diploid endosperm nucleus to produce triploid primary endosperm
nucleus.
c) Both (a) and (b)
d) Fertilization takes place in two plants simultaneously.
Explanation: Both (a) and (b)
10. Synergids and antipodals
a) Develop into new plants
b) Are diploid
c) Degenerate after fertilization
d) Are produced in male gametophyte
Explanation: Degenerate after fertilization